[fceu.git] / svga.c

/* FCE Ultra - NES/Famicom Emulator
 *
 * Copyright notice for this file:
 *  Copyright (C) 1998 BERO
 *  Copyright (C) 2002 Ben Parnell
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/*                      SVGA High Level Routines
                          FCE / FCE Ultra
*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>

#include <stdarg.h>


#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif

#include "types.h"
#include "svga.h"
#include "fce.h"
#include "general.h"
#include "video.h"
#include "sound.h"
#include "version.h"
#include "nsf.h"
#include "palette.h"
#include "fds.h"
#include "netplay.h"
#include "state.h"
#include "cart.h"
#include "input.h"

FCEUS FSettings;

static int howlong;
static char errmsg[65];

void FCEU_PrintError(char *format, ...)
{
 char temp[2048];

 va_list ap;

 va_start(ap,format);
 vsprintf(temp,format,ap);
 FCEUD_PrintError(temp);

 va_end(ap);
}

void FCEU_DispMessage(char *format, ...)
{
 va_list ap;

 va_start(ap,format);
 vsprintf(errmsg,format,ap);
 va_end(ap);

 howlong=180;
 printf("%s\n", errmsg);
}

void FCEUI_SetRenderedLines(int ntscf, int ntscl, int palf, int pall)
{
 FSettings.UsrFirstSLine[0]=ntscf;
 FSettings.UsrLastSLine[0]=ntscl;
 FSettings.UsrFirstSLine[1]=palf;
 FSettings.UsrLastSLine[1]=pall;
 if(PAL)
 {
  FSettings.FirstSLine=FSettings.UsrFirstSLine[1];
  FSettings.LastSLine=FSettings.UsrLastSLine[1];
 }
 else
 {
  FSettings.FirstSLine=FSettings.UsrFirstSLine[0];
  FSettings.LastSLine=FSettings.UsrLastSLine[0];
 }

}

void FCEUI_SetVidSystem(int a)
{
 FSettings.PAL=a?1:0;
 FCEU_ResetVidSys();
 FCEU_ResetPalette();
}

int FCEUI_GetCurrentVidSystem(int *slstart, int *slend)
{
 if(slstart)
  *slstart=FSettings.FirstSLine;
 if(slend)
  *slend=FSettings.LastSLine;
 return(PAL);
}

#ifdef NETWORK
void FCEUI_SetNetworkPlay(int type)
{
 FSettings.NetworkPlay=type;
}
#endif

void FCEUI_SetGameGenie(int a)
{
 FSettings.GameGenie=a?1:0;
}

static void CalculatePalette(void);
static void ChoosePalette(void);
static void WritePalette(void);

#ifndef NETWORK
#define netplay 0
#endif

static uint8 StateShow=0;

uint8 Exit=0;

uint8 DIPS=0;
//uint8 vsdip=0;
//int coinon=0;

uint8 pale=0;
uint8 CommandQueue=0;

static int controlselect=0;
static int ntsccol=0;
static int ntsctint=46+10;
static int ntschue=72;
static int controllength=0;

pal *palo;
static pal *palpoint[8]=
     {
     palette,
     palettevscv,
     palettevssmb,
     palettevsmar,
     palettevsgoon,
     palettevsslalom,
     palettevseb,
     rp2c04001
     };

void FCEUI_SetSnapName(int a)
{
 FSettings.SnapName=a;
}

void FCEUI_SaveExtraDataUnderBase(int a)
{
 FSettings.SUnderBase=a;
}

void FCEUI_SetPaletteArray(uint8 *pal)
{
 if(!pal)
  palpoint[0]=palette;
 else
 {
  int x;
  palpoint[0]=palettec;
  for(x=0;x<64;x++)
  {
   palpoint[0][x].r=*((uint8 *)pal+x+x+x);
   palpoint[0][x].g=*((uint8 *)pal+x+x+x+1);
   palpoint[0][x].b=*((uint8 *)pal+x+x+x+2);
  }
 }
 FCEU_ResetPalette();
}

void FCEUI_SelectState(int w)
{
 if(netplay!=2 && FCEUGameInfo.type!=GIT_NSF)
  CommandQueue=42+w;
}

void FCEUI_SaveState(void)
{
 if(netplay!=2 && FCEUGameInfo.type!=GIT_NSF)
  CommandQueue=40;
}

void FCEUI_LoadState(void)
{
 if(netplay!=2 && FCEUGameInfo.type!=GIT_NSF)
  CommandQueue=41;
}

int32 FCEUI_GetDesiredFPS(void)
{
  if(PAL)
   return(838977920); // ~50.007
  else
   return(1008307711);	// ~60.1
}

static int dosnapsave=0;
void FCEUI_SaveSnapshot(void)
{
 dosnapsave=1;
}

/* I like the sounds of breaking necks. */
static void ReallySnap(void)
{
 int x=SaveSnapshot();
 if(!x)
  FCEU_DispMessage("Error saving screen snapshot.");
 else
  FCEU_DispMessage("Screen snapshot %d saved.",x-1);
}

void DriverInterface(int w, void *d)
{
 switch(w)
 {
  case DES_NTSCCOL:ntsccol=*(int *)d;FCEU_ResetPalette();break;
  case DES_RESET:if(netplay!=2) CommandQueue=30;break;
  case DES_POWER:if(netplay!=2) CommandQueue=31;break;
  case DES_GETNTSCTINT:*(int*)d=ntsctint;break;
  case DES_GETNTSCHUE:*(int*)d=ntschue;break;
  case DES_SETNTSCTINT:ntsctint=*(int*)d;if(ntsccol)FCEU_ResetPalette();break;
  case DES_SETNTSCHUE:ntschue=*(int*)d;if(ntsccol)FCEU_ResetPalette();break;

  case DES_FDSINSERT:if(netplay!=2) CommandQueue=2;break;
  case DES_FDSEJECT:if(netplay!=2) CommandQueue=3;break;
  case DES_FDSSELECT:if(netplay!=2) CommandQueue=1;break;
/*
  case DES_NSFINC:NSFControl(1);break;
  case DES_NSFDEC:NSFControl(2);break;
  case DES_NSFRES:NSFControl(0);break;
*/
  case DES_VSUNIDIPSET:CommandQueue=10+(int)d;break;
  case DES_VSUNITOGGLEDIPVIEW:CommandQueue=10;break;
  case DES_VSUNICOIN:CommandQueue=19;break;
  case DES_NTSCSELHUE:if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF){controlselect=1;controllength=360;}break;
  case DES_NTSCSELTINT:if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF){controlselect=2;controllength=360;}break;

  case DES_NTSCDEC:
		  if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF)
		  {
		   char which;
		   if(controlselect)
		   {
		    if(controllength)
		    {
		     which=controlselect==1?ntschue:ntsctint;
		     which--;
		     if(which<0) which=0;
			 if(controlselect==1)
			  ntschue=which;
			 else ntsctint=which;
		     CalculatePalette();
		    }
		   controllength=360;
		    }
		   }
		  break;
  case DES_NTSCINC:
		   if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF)
		     if(controlselect)
		     {
		      if(controllength)
		      {
		       switch(controlselect)
		       {
		        case 1:ntschue++;
		               if(ntschue>128) ntschue=128;
		               CalculatePalette();
		               break;
		        case 2:ntsctint++;
		               if(ntsctint>128) ntsctint=128;
		               CalculatePalette();
		               break;
		       }
		      }
		      controllength=360;
		     }
          	    break;
  }
}

static uint8 lastd=0;
void SetNESDeemph(uint8 d, int force)
{
 static uint16 rtmul[7]={32768*1.239,32768*.794,32768*1.019,32768*.905,32768*1.023,32768*.741,32768*.75};
 static uint16 gtmul[7]={32768*.915,32768*1.086,32768*.98,32768*1.026,32768*.908,32768*.987,32768*.75};
 static uint16 btmul[7]={32768*.743,32768*.882,32768*.653,32768*1.277,32768*.979,32768*.101,32768*.75};
 uint32 r,g,b;
 int x;

 /* If it's not forced(only forced when the palette changes),
    don't waste cpu time if the same deemphasis bits are set as the last call.
 */
 if(!force)
 {
  if(d==lastd)
   return;
 }
 else	/* Only set this when palette has changed. */
 {
  r=rtmul[6];
  g=rtmul[6];
  b=rtmul[6];

  for(x=0;x<0x40;x++)
  {
   uint32 m,n,o;
   m=palo[x].r;
   n=palo[x].g;
   o=palo[x].b;
   m=(m*r)>>15;
   n=(n*g)>>15;
   o=(o*b)>>15;
   if(m>0xff) m=0xff;
   if(n>0xff) n=0xff;
   if(o>0xff) o=0xff;
   FCEUD_SetPalette(x|0x40,m,n,o);


  }
 }
 if(!d) return;	/* No deemphasis, so return. */

  r=rtmul[d-1];
  g=gtmul[d-1];
  b=btmul[d-1];

    for(x=0;x<0x40;x++)
    {
     uint32 m,n,o;

     m=palo[x].r;
     n=palo[x].g;
     o=palo[x].b;
     m=(m*r)>>15;
     n=(n*g)>>15;
     o=(o*b)>>15;
     if(m>0xff) m=0xff;
     if(n>0xff) n=0xff;
     if(o>0xff) o=0xff;

     FCEUD_SetPalette(x|0xC0,m,n,o);

    }

 lastd=d;
}

#define HUEVAL  ((double)((double)ntschue/(double)2)+(double)300)
#define TINTVAL ((double)((double)ntsctint/(double)128))

static void CalculatePalette(void)
{
 int x,z;
 int r,g,b;
 double s,y,theta;
 static uint8 cols[16]={0,24,21,18,15,12,9,6,3,0,33,30,27,0,0,0};
 static uint8 br1[4]={6,9,12,12};
 static double br2[4]={.29,.45,.73,.9};
 static double br3[4]={0,.24,.47,.77};

 for(x=0;x<=3;x++)
  for(z=0;z<16;z++)
  {
   s=(double)TINTVAL;
   y=(double)br2[x];
   if(z==0)  {s=0;y=((double)br1[x])/12;}

   if(z>=13)
   {
    s=y=0;
    if(z==13)
     y=(double)br3[x];
   }

   theta=(double)M_PI*(double)(((double)cols[z]*10+HUEVAL)/(double)180);
   r=(int)(((double)y+(double)s*(double)sin(theta))*(double)256);
   g=(int)(((double)y-(double)((double)27/(double)53)*s*(double)sin(theta)+(double)((double)10/(double)53)*s*cos(theta))*(double)256);
   b=(int)(((double)y-(double)s*(double)cos(theta))*(double)256);

   // TODO:  Fix RGB to compensate for phosphor changes(add to red??).

   if(r>255) r=255;
   if(g>255) g=255;
   if(b>255) b=255;
   if(r<0) r=0;
   if(g<0) g=0;
   if(b<0) b=0;

   paletten[(x<<4)+z].r=r;
   paletten[(x<<4)+z].g=g;
   paletten[(x<<4)+z].b=b;
  }
 WritePalette();
}

#include "drawing.h"
#ifdef FRAMESKIP
void FCEU_PutImageDummy(void)
{
 if(FCEUGameInfo.type!=GIT_NSF)
 {
  if(controllength) controllength--;
 }
 if(StateShow) StateShow--; /* DrawState() */
 if(howlong) howlong--;	/* DrawMessage() */
 #ifdef FPS
 {
  extern uint64 frcount;
  frcount++;
 }
 #endif

}
#endif

void FCEU_PutImage(void)
{
        if(FCEUGameInfo.type==GIT_NSF)
	{
         DrawNSF(XBuf);
	 /* Save snapshot after NSF screen is drawn.  Why would we want to
	    do it before?
	 */
         if(dosnapsave)
         {
          ReallySnap();
          dosnapsave=0;
         }
	}
        else
        {
	 /* Save snapshot before overlay stuff is written. */
         if(dosnapsave)
         {
          ReallySnap();
          dosnapsave=0;
         }
	 if(FCEUGameInfo.type==GIT_VSUNI && DIPS&2)
	  DrawDips();
         if(StateShow) DrawState();
         if(controllength) {controllength--;DrawBars();}
        }
	DrawMessage();
	#ifdef FPS
	{
	extern uint64 frcount;
	frcount++;
	}
	#endif
	DrawInput(XBuf+8);
}

static int ipalette=0;

void LoadGamePalette(void)
{
  uint8 ptmp[192];
  FILE *fp;
  ipalette=0;
  if((fp=fopen(FCEU_MakeFName(FCEUMKF_PALETTE,0,0),"rb")))
  {
   int x;
   fread(ptmp,1,192,fp);
   fclose(fp);
   for(x=0;x<64;x++)
   {
    palettei[x].r=ptmp[x+x+x];
    palettei[x].g=ptmp[x+x+x+1];
    palettei[x].b=ptmp[x+x+x+2];
   }
   ipalette=1;
  }
}

void FCEU_ResetPalette(void)
{
   ChoosePalette();
   WritePalette();
}

static void ChoosePalette(void)
{
    if(FCEUGameInfo.type==GIT_NSF)
     palo=NSFPalette;
    else if(ipalette)
     palo=palettei;
    else if(ntsccol && !PAL && FCEUGameInfo.type!=GIT_VSUNI)
     {
      palo=paletten;
      CalculatePalette();
     }
    else
     palo=palpoint[pale];
}

void WritePalette(void)
{
    int x;

    for(x=0;x<6;x++)
     FCEUD_SetPalette(x+128,unvpalette[x].r,unvpalette[x].g,unvpalette[x].b);
    if(FCEUGameInfo.type==GIT_NSF)
    {
     for(x=0;x<39;x++)
      FCEUD_SetPalette(x,palo[x].r,palo[x].g,palo[x].b);
    }
    else
    {
     for(x=0;x<64;x++)
      FCEUD_SetPalette(x,palo[x].r,palo[x].g,palo[x].b);
     SetNESDeemph(lastd,1);
    }
}

#if 0
void FlushCommandQueue(void)
{
  if(!netplay && CommandQueue) {DoCommand(CommandQueue);CommandQueue=0;}
}

void DoCommand(uint8 c)
{
 switch(c)
 {
  case 1:FDSControl(FDS_SELECT);break;
  case 2:FDSControl(FDS_IDISK);break;
  case 3:FDSControl(FDS_EJECT);break;

  case 10:DIPS^=2;break;
  case 11:vsdip^=1;DIPS|=2;break;
  case 12:vsdip^=2;DIPS|=2;break;
  case 13:vsdip^=4;DIPS|=2;break;
  case 14:vsdip^=8;DIPS|=2;break;
  case 15:vsdip^=0x10;DIPS|=2;break;
  case 16:vsdip^=0x20;DIPS|=2;break;
  case 17:vsdip^=0x40;DIPS|=2;break;
  case 18:vsdip^=0x80;DIPS|=2;break;
  case 19:coinon=6;break;
  case 30:ResetNES();break;
  case 31:PowerNES();break;
  case 40:CheckStates();StateShow=0;SaveState();break;
  case 41:CheckStates();StateShow=0;LoadState();break;
  case 42: case 43: case 44: case 45: case 46: case 47: case 48: case 49:
  case 50: case 51:StateShow=180;CurrentState=c-42;CheckStates();break;
 }
}
#endif
Commit	Line	Data
c62d2810	1	/* FCE Ultra - NES/Famicom Emulator
	2	*
	3	* Copyright notice for this file:
22f08d95	4	* Copyright (C) 1998 BERO
c62d2810	5	* Copyright (C) 2002 Ben Parnell
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	20	*/
	21
	22	/* SVGA High Level Routines
	23	FCE / FCE Ultra
	24	*/
	25	#include <stdio.h>
	26	#include <stdlib.h>
	27	#include <math.h>
	28	#include <string.h>
	29
	30	#include <stdarg.h>
	31
	32
	33	#ifndef M_PI
	34	#define M_PI 3.14159265358979323846
	35	#endif
	36
	37	#include "types.h"
22f08d95	38	#include "svga.h"
c62d2810	39	#include "fce.h"
	40	#include "general.h"
	41	#include "video.h"
	42	#include "sound.h"
	43	#include "version.h"
	44	#include "nsf.h"
	45	#include "palette.h"
	46	#include "fds.h"
	47	#include "netplay.h"
	48	#include "state.h"
	49	#include "cart.h"
	50	#include "input.h"
	51
	52	FCEUS FSettings;
	53
	54	static int howlong;
	55	static char errmsg[65];
	56
	57	void FCEU_PrintError(char *format, ...)
	58	{
	59	char temp[2048];
	60
	61	va_list ap;
	62
	63	va_start(ap,format);
	64	vsprintf(temp,format,ap);
	65	FCEUD_PrintError(temp);
	66
	67	va_end(ap);
	68	}
	69
	70	void FCEU_DispMessage(char *format, ...)
	71	{
	72	va_list ap;
	73
	74	va_start(ap,format);
	75	vsprintf(errmsg,format,ap);
	76	va_end(ap);
	77
	78	howlong=180;
890e37ba	79	printf("%s\n", errmsg);
c62d2810	80	}
	81
	82	void FCEUI_SetRenderedLines(int ntscf, int ntscl, int palf, int pall)
	83	{
	84	FSettings.UsrFirstSLine[0]=ntscf;
	85	FSettings.UsrLastSLine[0]=ntscl;
	86	FSettings.UsrFirstSLine[1]=palf;
	87	FSettings.UsrLastSLine[1]=pall;
	88	if(PAL)
	89	{
	90	FSettings.FirstSLine=FSettings.UsrFirstSLine[1];
	91	FSettings.LastSLine=FSettings.UsrLastSLine[1];
	92	}
	93	else
	94	{
	95	FSettings.FirstSLine=FSettings.UsrFirstSLine[0];
	96	FSettings.LastSLine=FSettings.UsrLastSLine[0];
	97	}
	98
	99	}
	100
	101	void FCEUI_SetVidSystem(int a)
	102	{
	103	FSettings.PAL=a?1:0;
	104	FCEU_ResetVidSys();
	105	FCEU_ResetPalette();
	106	}
	107
	108	int FCEUI_GetCurrentVidSystem(int slstart, int slend)
	109	{
	110	if(slstart)
	111	*slstart=FSettings.FirstSLine;
	112	if(slend)
	113	*slend=FSettings.LastSLine;
	114	return(PAL);
	115	}
	116
	117	#ifdef NETWORK
	118	void FCEUI_SetNetworkPlay(int type)
	119	{
	120	FSettings.NetworkPlay=type;
	121	}
	122	#endif
	123
	124	void FCEUI_SetGameGenie(int a)
	125	{
	126	FSettings.GameGenie=a?1:0;
	127	}
	128
	129	static void CalculatePalette(void);
	130	static void ChoosePalette(void);
	131	static void WritePalette(void);
	132
	133	#ifndef NETWORK
	134	#define netplay 0
	135	#endif
	136
	137	static uint8 StateShow=0;
	138
	139	uint8 Exit=0;
	140
	141	uint8 DIPS=0;
d97315ac	142	//uint8 vsdip=0;
d97315ac	143	//int coinon=0;
c62d2810	144
	145	uint8 pale=0;
	146	uint8 CommandQueue=0;
	147
	148	static int controlselect=0;
	149	static int ntsccol=0;
	150	static int ntsctint=46+10;
	151	static int ntschue=72;
	152	static int controllength=0;
	153
	154	pal *palo;
	155	static pal *palpoint[8]=
	156	{
	157	palette,
	158	palettevscv,
	159	palettevssmb,
	160	palettevsmar,
	161	palettevsgoon,
	162	palettevsslalom,
	163	palettevseb,
	164	rp2c04001
	165	};
	166
	167	void FCEUI_SetSnapName(int a)
	168	{
	169	FSettings.SnapName=a;
	170	}
	171
	172	void FCEUI_SaveExtraDataUnderBase(int a)
	173	{
	174	FSettings.SUnderBase=a;
	175	}
	176
	177	void FCEUI_SetPaletteArray(uint8 *pal)
	178	{
	179	if(!pal)
	180	palpoint[0]=palette;
	181	else
	182	{
	183	int x;
	184	palpoint[0]=palettec;
	185	for(x=0;x<64;x++)
	186	{
	187	palpoint[0][x].r=((uint8 )pal+x+x+x);
	188	palpoint[0][x].g=((uint8 )pal+x+x+x+1);
	189	palpoint[0][x].b=((uint8 )pal+x+x+x+2);
	190	}
	191	}
	192	FCEU_ResetPalette();
	193	}
	194
	195	void FCEUI_SelectState(int w)
	196	{
22f08d95	197	if(netplay!=2 && FCEUGameInfo.type!=GIT_NSF)
c62d2810	198	CommandQueue=42+w;
	199	}
	200
	201	void FCEUI_SaveState(void)
	202	{
	203	if(netplay!=2 && FCEUGameInfo.type!=GIT_NSF)
	204	CommandQueue=40;
	205	}
	206
	207	void FCEUI_LoadState(void)
	208	{
22f08d95	209	if(netplay!=2 && FCEUGameInfo.type!=GIT_NSF)
c62d2810	210	CommandQueue=41;
	211	}
	212
	213	int32 FCEUI_GetDesiredFPS(void)
	214	{
	215	if(PAL)
	216	return(838977920); // ~50.007
	217	else
	218	return(1008307711); // ~60.1
	219	}
	220
	221	static int dosnapsave=0;
	222	void FCEUI_SaveSnapshot(void)
	223	{
	224	dosnapsave=1;
	225	}
	226
	227	/* I like the sounds of breaking necks. */
	228	static void ReallySnap(void)
	229	{
	230	int x=SaveSnapshot();
	231	if(!x)
	232	FCEU_DispMessage("Error saving screen snapshot.");
	233	else
	234	FCEU_DispMessage("Screen snapshot %d saved.",x-1);
	235	}
	236
	237	void DriverInterface(int w, void *d)
	238	{
	239	switch(w)
	240	{
	241	case DES_NTSCCOL:ntsccol=(int )d;FCEU_ResetPalette();break;
	242	case DES_RESET:if(netplay!=2) CommandQueue=30;break;
	243	case DES_POWER:if(netplay!=2) CommandQueue=31;break;
	244	case DES_GETNTSCTINT:(int)d=ntsctint;break;
	245	case DES_GETNTSCHUE:(int)d=ntschue;break;
	246	case DES_SETNTSCTINT:ntsctint=(int)d;if(ntsccol)FCEU_ResetPalette();break;
	247	case DES_SETNTSCHUE:ntschue=(int)d;if(ntsccol)FCEU_ResetPalette();break;
	248
	249	case DES_FDSINSERT:if(netplay!=2) CommandQueue=2;break;
	250	case DES_FDSEJECT:if(netplay!=2) CommandQueue=3;break;
	251	case DES_FDSSELECT:if(netplay!=2) CommandQueue=1;break;
d97315ac	252	/*
c62d2810	253	case DES_NSFINC:NSFControl(1);break;
c62d2810	254	case DES_NSFDEC:NSFControl(2);break;
22f08d95	255	case DES_NSFRES:NSFControl(0);break;
d97315ac	256	*/
c62d2810	257	case DES_VSUNIDIPSET:CommandQueue=10+(int)d;break;
	258	case DES_VSUNITOGGLEDIPVIEW:CommandQueue=10;break;
	259	case DES_VSUNICOIN:CommandQueue=19;break;
	260	case DES_NTSCSELHUE:if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF){controlselect=1;controllength=360;}break;
	261	case DES_NTSCSELTINT:if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF){controlselect=2;controllength=360;}break;
	262
	263	case DES_NTSCDEC:
	264	if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF)
	265	{
	266	char which;
	267	if(controlselect)
	268	{
	269	if(controllength)
	270	{
	271	which=controlselect==1?ntschue:ntsctint;
	272	which--;
	273	if(which<0) which=0;
22f08d95	274	if(controlselect==1)
	275	ntschue=which;
	276	else ntsctint=which;
c62d2810	277	CalculatePalette();
	278	}
	279	controllength=360;
	280	}
	281	}
	282	break;
22f08d95	283	case DES_NTSCINC:
c62d2810	284	if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF)
	285	if(controlselect)
	286	{
	287	if(controllength)
	288	{
	289	switch(controlselect)
	290	{
	291	case 1:ntschue++;
	292	if(ntschue>128) ntschue=128;
	293	CalculatePalette();
	294	break;
	295	case 2:ntsctint++;
	296	if(ntsctint>128) ntsctint=128;
	297	CalculatePalette();
	298	break;
	299	}
	300	}
	301	controllength=360;
	302	}
	303	break;
	304	}
	305	}
	306
	307	static uint8 lastd=0;
	308	void SetNESDeemph(uint8 d, int force)
	309	{
	310	static uint16 rtmul[7]={327681.239,32768.794,327681.019,32768.905,327681.023,32768.741,32768*.75};
	311	static uint16 gtmul[7]={32768.915,327681.086,32768.98,327681.026,32768.908,32768.987,32768*.75};
	312	static uint16 btmul[7]={32768.743,32768.882,32768.653,327681.277,32768.979,32768.101,32768*.75};
	313	uint32 r,g,b;
	314	int x;
	315
22f08d95	316	/* If it's not forced(only forced when the palette changes),
22f08d95	317	don't waste cpu time if the same deemphasis bits are set as the last call.
c62d2810	318	*/
22f08d95	319	if(!force)
c62d2810	320	{
22f08d95	321	if(d==lastd)
c62d2810	322	return;
	323	}
	324	else /* Only set this when palette has changed. */
	325	{
	326	r=rtmul[6];
	327	g=rtmul[6];
	328	b=rtmul[6];
	329
	330	for(x=0;x<0x40;x++)
	331	{
	332	uint32 m,n,o;
	333	m=palo[x].r;
	334	n=palo[x].g;
	335	o=palo[x].b;
	336	m=(m*r)>>15;
	337	n=(n*g)>>15;
	338	o=(o*b)>>15;
	339	if(m>0xff) m=0xff;
	340	if(n>0xff) n=0xff;
	341	if(o>0xff) o=0xff;
	342	FCEUD_SetPalette(x\|0x40,m,n,o);
5232c20c	343
5232c20c	344
c62d2810	345	}
	346	}
	347	if(!d) return; /* No deemphasis, so return. */
	348
	349	r=rtmul[d-1];
	350	g=gtmul[d-1];
	351	b=btmul[d-1];
	352
	353	for(x=0;x<0x40;x++)
	354	{
	355	uint32 m,n,o;
	356
	357	m=palo[x].r;
	358	n=palo[x].g;
	359	o=palo[x].b;
	360	m=(m*r)>>15;
	361	n=(n*g)>>15;
	362	o=(o*b)>>15;
	363	if(m>0xff) m=0xff;
	364	if(n>0xff) n=0xff;
	365	if(o>0xff) o=0xff;
	366
	367	FCEUD_SetPalette(x\|0xC0,m,n,o);
5232c20c	368
c62d2810	369	}
22f08d95	370
c62d2810	371	lastd=d;
	372	}
	373
	374	#define HUEVAL ((double)((double)ntschue/(double)2)+(double)300)
	375	#define TINTVAL ((double)((double)ntsctint/(double)128))
	376
	377	static void CalculatePalette(void)
	378	{
	379	int x,z;
	380	int r,g,b;
	381	double s,y,theta;
	382	static uint8 cols[16]={0,24,21,18,15,12,9,6,3,0,33,30,27,0,0,0};
	383	static uint8 br1[4]={6,9,12,12};
	384	static double br2[4]={.29,.45,.73,.9};
	385	static double br3[4]={0,.24,.47,.77};
22f08d95	386
c62d2810	387	for(x=0;x<=3;x++)
	388	for(z=0;z<16;z++)
	389	{
	390	s=(double)TINTVAL;
	391	y=(double)br2[x];
	392	if(z==0) {s=0;y=((double)br1[x])/12;}
22f08d95	393
c62d2810	394	if(z>=13)
	395	{
	396	s=y=0;
	397	if(z==13)
22f08d95	398	y=(double)br3[x];
c62d2810	399	}
	400
	401	theta=(double)M_PI(double)(((double)cols[z]10+HUEVAL)/(double)180);
	402	r=(int)(((double)y+(double)s(double)sin(theta))(double)256);
	403	g=(int)(((double)y-(double)((double)27/(double)53)s(double)sin(theta)+(double)((double)10/(double)53)scos(theta))*(double)256);
22f08d95	404	b=(int)(((double)y-(double)s(double)cos(theta))(double)256);
c62d2810	405
	406	// TODO: Fix RGB to compensate for phosphor changes(add to red??).
	407
	408	if(r>255) r=255;
	409	if(g>255) g=255;
	410	if(b>255) b=255;
	411	if(r<0) r=0;
	412	if(g<0) g=0;
	413	if(b<0) b=0;
22f08d95	414
c62d2810	415	paletten[(x<<4)+z].r=r;
	416	paletten[(x<<4)+z].g=g;
	417	paletten[(x<<4)+z].b=b;
	418	}
	419	WritePalette();
	420	}
	421
	422	#include "drawing.h"
	423	#ifdef FRAMESKIP
	424	void FCEU_PutImageDummy(void)
	425	{
	426	if(FCEUGameInfo.type!=GIT_NSF)
	427	{
	428	if(controllength) controllength--;
	429	}
	430	if(StateShow) StateShow--; /* DrawState() */
	431	if(howlong) howlong--; /* DrawMessage() */
	432	#ifdef FPS
	433	{
	434	extern uint64 frcount;
	435	frcount++;
	436	}
	437	#endif
	438
	439	}
	440	#endif
	441
	442	void FCEU_PutImage(void)
	443	{
	444	if(FCEUGameInfo.type==GIT_NSF)
	445	{
	446	DrawNSF(XBuf);
	447	/* Save snapshot after NSF screen is drawn. Why would we want to
	448	do it before?
	449	*/
	450	if(dosnapsave)
	451	{
	452	ReallySnap();
	453	dosnapsave=0;
	454	}
	455	}
	456	else
22f08d95	457	{
c62d2810	458	/* Save snapshot before overlay stuff is written. */
	459	if(dosnapsave)
	460	{
	461	ReallySnap();
	462	dosnapsave=0;
	463	}
22f08d95	464	if(FCEUGameInfo.type==GIT_VSUNI && DIPS&2)
c62d2810	465	DrawDips();
	466	if(StateShow) DrawState();
	467	if(controllength) {controllength--;DrawBars();}
	468	}
	469	DrawMessage();
	470	#ifdef FPS
	471	{
	472	extern uint64 frcount;
	473	frcount++;
	474	}
	475	#endif
	476	DrawInput(XBuf+8);
	477	}
	478
	479	static int ipalette=0;
	480
	481	void LoadGamePalette(void)
	482	{
	483	uint8 ptmp[192];
	484	FILE *fp;
	485	ipalette=0;
	486	if((fp=fopen(FCEU_MakeFName(FCEUMKF_PALETTE,0,0),"rb")))
	487	{
	488	int x;
	489	fread(ptmp,1,192,fp);
	490	fclose(fp);
	491	for(x=0;x<64;x++)
	492	{
	493	palettei[x].r=ptmp[x+x+x];
	494	palettei[x].g=ptmp[x+x+x+1];
	495	palettei[x].b=ptmp[x+x+x+2];
	496	}
	497	ipalette=1;
	498	}
	499	}
	500
	501	void FCEU_ResetPalette(void)
	502	{
	503	ChoosePalette();
	504	WritePalette();
	505	}
	506
	507	static void ChoosePalette(void)
	508	{
	509	if(FCEUGameInfo.type==GIT_NSF)
22f08d95	510	palo=NSFPalette;
c62d2810	511	else if(ipalette)
	512	palo=palettei;
	513	else if(ntsccol && !PAL && FCEUGameInfo.type!=GIT_VSUNI)
	514	{
	515	palo=paletten;
	516	CalculatePalette();
	517	}
	518	else
22f08d95	519	palo=palpoint[pale];
c62d2810	520	}
	521
	522	void WritePalette(void)
	523	{
	524	int x;
	525
	526	for(x=0;x<6;x++)
	527	FCEUD_SetPalette(x+128,unvpalette[x].r,unvpalette[x].g,unvpalette[x].b);
	528	if(FCEUGameInfo.type==GIT_NSF)
	529	{
	530	for(x=0;x<39;x++)
22f08d95	531	FCEUD_SetPalette(x,palo[x].r,palo[x].g,palo[x].b);
c62d2810	532	}
	533	else
	534	{
	535	for(x=0;x<64;x++)
	536	FCEUD_SetPalette(x,palo[x].r,palo[x].g,palo[x].b);
	537	SetNESDeemph(lastd,1);
	538	}
	539	}
	540
d97315ac	541	#if 0
c62d2810	542	void FlushCommandQueue(void)
	543	{
	544	if(!netplay && CommandQueue) {DoCommand(CommandQueue);CommandQueue=0;}
	545	}
	546
	547	void DoCommand(uint8 c)
	548	{
	549	switch(c)
	550	{
	551	case 1:FDSControl(FDS_SELECT);break;
	552	case 2:FDSControl(FDS_IDISK);break;
	553	case 3:FDSControl(FDS_EJECT);break;
	554
	555	case 10:DIPS^=2;break;
	556	case 11:vsdip^=1;DIPS\|=2;break;
	557	case 12:vsdip^=2;DIPS\|=2;break;
	558	case 13:vsdip^=4;DIPS\|=2;break;
	559	case 14:vsdip^=8;DIPS\|=2;break;
	560	case 15:vsdip^=0x10;DIPS\|=2;break;
	561	case 16:vsdip^=0x20;DIPS\|=2;break;
	562	case 17:vsdip^=0x40;DIPS\|=2;break;
	563	case 18:vsdip^=0x80;DIPS\|=2;break;
	564	case 19:coinon=6;break;
	565	case 30:ResetNES();break;
	566	case 31:PowerNES();break;
	567	case 40:CheckStates();StateShow=0;SaveState();break;
	568	case 41:CheckStates();StateShow=0;LoadState();break;
	569	case 42: case 43: case 44: case 45: case 46: case 47: case 48: case 49:
	570	case 50: case 51:StateShow=180;CurrentState=c-42;CheckStates();break;
	571	}
	572	}
d97315ac	573	#endif
d97315ac	574